add default item to RadComboBox - asp.net

I am trying to add default item as 'All' at top of RadComboBox. How can I do this? I am using LoadOnDemand and loading database items using WCF service.Please help. I am stuck with this.
Thanks..

You can set the "EmptyMessage" property of the RadComboBox to "All". Take a look at this Telerik demo for an example.

Related

Dropdown with Auto-complete Property

i have added a drop-down in my project now i want to add auto-complete property in this Drop down.
How to add autocomplete property in this dropdown please help..
I'll recommend using jquery UI for this one.
Take a look here.

How to disable row header in devexpress xtragrid

Hai all,
I want to know how to disable row header in Devexpress xtragrid (grid control ) . In normal we are disabling the property of DataGrid by row header visbile into false.But how to disable in Devexpress.
Please Help
EDIT
At last i found the answer !!!
set the GridView.OptionsView.ShowIndicator property to False.
I am not sure that this is what you want to achieve, but to hide a column, you should set its Visible property to false. I.e.
GridView1.Columns["SomeFieldName"].Visible = false;
If this does not help, please explain the needed functionality in greater details and I will update my answer....

Editing an asp.net DropdownList

I have a dropdown list of 5 elements. My problem is that I want to make this dropdown list editable. Basically a user might want to delete one of these elements or might want to add more elements. Whats a good approach of doing that in asp.net ?
Use a ComboBox.
You have to put textbox for typing text and button for user to insert into the list and button for delete
Do you know the code to adding and deleting list in the dropdown list right ?
Use a ListBox - that way they can make a multi-selection of their choice:
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.listbox.aspx
The DropDownList is not intended for multi-selection. Another option would be to use CheckBoxes.
If you use DataBase, u can make dropdownlist MORE editable with elements like "formView", "gridView" and so on..

Remove default selection row Datagrid View

In DataGridView there is a row selected and highlighted by default. How can this default selection and highlighting be removed?
I figured it out myself.
After populating the DataGrid, I called the following method:
datagrid.ClearSelection();
I found that faking the prevention of selection worked better for me.
See also here for a more thorough solution.

Flex 4: how to have a drop down list of Checkboxes

How would I get a drop downlist to populate with check boxes.
I am porting a c# project to flex, and I would like to imitate the functionality of their checkbox drop list.
Anyone got any idea how I would go about this.
Please and thank you.
Typically you do this by creating a custom ItemRenderer and assigning it to your DropDownList. Here's an example of creating/applying a custom ItemRenderer in a DropDownList:
http://blog.flexexamples.com/2010/05/13/setting-the-text-roll-over-color-on-a-spark-dropdownlist-control-in-flex-4/
Hope that helps.
you could extend the popup-button and add custom item renderer for the items in the dropdown.
http://www.adobe.com/livedocs/flex/2/langref/mx/controls/PopUpButton.html

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